//
//  LCRollSectionModel.m
//  Test
//
//  Created by mac on 2019/11/23.
//  Copyright © 2019 SZJ. All rights reserved.
//

#import "LCRollModel.h"

@implementation LCRollSectionModel

-(NSArray<LCRollPosition *> *)positions{
    if (_positions) return _positions;
    
    NSMutableArray *arr = NSMutableArray.array;
    for (LCRollItemModel *model in self.itemModels) {
        [arr addObject:model.position];
    }
    _positions = arr;
    return arr;
}

@end

@implementation LCRollItemModel

@end
@implementation LCRollItemCacheModel

@end
